X-Git-Url: https://rtime.felk.cvut.cz/gitweb/ulut.git/blobdiff_plain/974894da4ce496c75ea491327929fd81128341e8..b2534e8c42d54ab438c6b631d4e2a3c7737518e6:/ulut/ul_utdefs.h

diff --git a/ulut/ul_utdefs.h b/ulut/ul_utdefs.h
index 2eab33a..3cf4b27 100644
--- a/ulut/ul_utdefs.h
+++ b/ulut/ul_utdefs.h
@@ -34,6 +34,30 @@ extern "C" {
 #endif /*__GNUC__*/
 #endif /*UL_CONTAINEROF*/
 
+#ifndef ul_cyclic_gt
+#define ul_cyclic_gt(x,y) \
+	((sizeof(x)>=sizeof(long long))&&(sizeof(y)>=sizeof(long long))? \
+		(long long)((long long)(x)-(long long)(y))>0: \
+	 (sizeof(x)>=sizeof(long))&&(sizeof(y)>=sizeof(long))? \
+	 	(long)((long)(x)-(long)(y))>0: /* x,y casts to suppress warnings only*/ \
+	 (sizeof(x)>=sizeof(int))&&(sizeof(y)>=sizeof(int))?(int)((x)-(y))>0: \
+	 (sizeof(x)>=sizeof(short))&&(sizeof(y)>=sizeof(short))?(short)((x)-(y))>0: \
+	 (signed char)((x)-(y))>0 \
+	)
+#endif /*ul_cyclic_gt*/
+
+#ifndef ul_cyclic_ge
+#define ul_cyclic_ge(x,y) \
+	((sizeof(x)>=sizeof(long long))&&(sizeof(y)>=sizeof(long long))? \
+		(long long)((long long)(x)-(long long)(y))>=0: \
+	 (sizeof(x)>=sizeof(long))&&(sizeof(y)>=sizeof(long))? \
+	 	(long)((long)(x)-(long)(y))>=0: /* x,y casts to suppress warnings only*/ \
+	 (sizeof(x)>=sizeof(int))&&(sizeof(y)>=sizeof(int))?(int)((x)-(y))>=0: \
+	 (sizeof(x)>=sizeof(short))&&(sizeof(y)>=sizeof(short))?(short)((x)-(y))>=0: \
+	 (signed char)((x)-(y))>=0 \
+	)
+#endif /*ul_cyclic_ge*/
+
 /* GNUC neat features */
 
 #ifdef	__GNUC__